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authorLinus Torvalds <torvalds@g5.osdl.org>2006-04-27 17:01:37 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-27 17:01:37 -0700
commit37e53db8aa233c65142d63b496277bf5be9c0ade (patch)
treec4b7409825cc0497593e94dd7d6f874d22b0b3f0 /arch
parentMerge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6 (diff)
parent[IA64] update sn2 defconfig (diff)
downloadlinux-dev-37e53db8aa233c65142d63b496277bf5be9c0ade.tar.xz
linux-dev-37e53db8aa233c65142d63b496277bf5be9c0ade.zip
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] update sn2 defconfig [IA64] Add mca recovery failure messages [IA64-SGI] fix SGI Altix tioce_reserve_m32() bug [IA64] enable dumps to capture second page of kernel stack [IA64-SGI] - Reduce overhead of reading sn_topology [IA64-SGI] - Fix discover of nearest cpu node to IO node [IA64] IOC4 config option ordering [IA64] Setup an IA64 specific reclaim distance [IA64] eliminate compile time warnings [IA64] eliminate compile time warnings [IA64-SGI] SN SAL call to inject memory errors [IA64] - Fix MAX_PXM_DOMAINS for systems with > 256 nodes [IA64] Remove unused variable in sn_sal.h [IA64] Remove redundant NULL checks before kfree [IA64] wire up compat_sys_adjtimex()
Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/Kconfig2
-rw-r--r--arch/ia64/configs/sn2_defconfig76
-rw-r--r--arch/ia64/ia32/binfmt_elf32.c3
-rw-r--r--arch/ia64/ia32/ia32_entry.S2
-rw-r--r--arch/ia64/kernel/mca_drv.c54
-rw-r--r--arch/ia64/kernel/topology.c7
-rw-r--r--arch/ia64/pci/pci.c3
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_hwperf.c8
-rw-r--r--arch/ia64/sn/kernel/xpc_partition.c8
-rw-r--r--arch/ia64/sn/pci/tioce_provider.c6
10 files changed, 99 insertions, 70 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 9f40eeff0b5c..0f3076a820c3 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -413,6 +413,8 @@ config IA64_PALINFO
config SGI_SN
def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
+source "drivers/sn/Kconfig"
+
source "drivers/firmware/Kconfig"
source "fs/Kconfig.binfmt"
diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig
index a718034d68d0..f6a8853cd1b4 100644
--- a/arch/ia64/configs/sn2_defconfig
+++ b/arch/ia64/configs/sn2_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc5
-# Mon Feb 27 16:06:38 2006
+# Linux kernel version: 2.6.17-rc3
+# Thu Apr 27 11:48:23 2006
#
#
@@ -24,6 +24,7 @@ CONFIG_SYSCTL=y
# CONFIG_AUDIT is not set
# CONFIG_IKCONFIG is not set
CONFIG_CPUSETS=y
+CONFIG_RELAY=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
# CONFIG_EMBEDDED is not set
@@ -38,10 +39,6 @@ CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
CONFIG_SLAB=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
@@ -53,7 +50,6 @@ CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_KMOD=y
@@ -62,6 +58,7 @@ CONFIG_STOP_MACHINE=y
#
# Block layer
#
+# CONFIG_BLK_DEV_IO_TRACE is not set
#
# IO Schedulers
@@ -84,8 +81,10 @@ CONFIG_64BIT=y
CONFIG_MMU=y
CONFIG_SWIOTLB=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_TIME_INTERPOLATION=y
+CONFIG_DMI=y
CONFIG_EFI=y
CONFIG_GENERIC_IOMAP=y
CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
@@ -116,7 +115,6 @@ CONFIG_IA64_SGI_SN_XP=m
CONFIG_FORCE_MAX_ZONEORDER=17
CONFIG_SMP=y
CONFIG_NR_CPUS=1024
-CONFIG_IA64_NR_NODES=256
# CONFIG_HOTPLUG_CPU is not set
CONFIG_SCHED_SMT=y
CONFIG_PREEMPT=y
@@ -136,6 +134,7 @@ CONFIG_ARCH_FLATMEM_ENABLE=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y
CONFIG_NUMA=y
+CONFIG_NODES_SHIFT=8
CONFIG_VIRTUAL_MEM_MAP=y
CONFIG_HOLES_IN_ZONE=y
CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
@@ -187,7 +186,6 @@ CONFIG_ACPI_SYSTEM=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
# CONFIG_PCI_MSI is not set
-CONFIG_PCI_LEGACY_PROC=y
# CONFIG_PCI_DEBUG is not set
#
@@ -231,6 +229,7 @@ CONFIG_SYN_COOKIES=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
CONFIG_INET_DIAG=m
CONFIG_INET_TCP_DIAG=m
@@ -238,9 +237,11 @@ CONFIG_INET_TCP_DIAG=m
CONFIG_TCP_CONG_BIC=y
CONFIG_IPV6=m
# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
# CONFIG_INET6_AH is not set
# CONFIG_INET6_ESP is not set
# CONFIG_INET6_IPCOMP is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
# CONFIG_IPV6_TUNNEL is not set
# CONFIG_NETFILTER is not set
@@ -468,9 +469,14 @@ CONFIG_SCSI_SATA_VITESSE=y
# CONFIG_SCSI_INIA100 is not set
# CONFIG_SCSI_SYM53C8XX_2 is not set
# CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_QLOGIC_FC is not set
CONFIG_SCSI_QLOGIC_1280=y
-# CONFIG_SCSI_QLA_FC is not set
+CONFIG_SCSI_QLA_FC=y
+CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE=y
+# CONFIG_SCSI_QLA21XX is not set
+CONFIG_SCSI_QLA22XX=y
+CONFIG_SCSI_QLA2300=y
+CONFIG_SCSI_QLA2322=y
+# CONFIG_SCSI_QLA24XX is not set
# CONFIG_SCSI_LPFC is not set
# CONFIG_SCSI_DC395x is not set
# CONFIG_SCSI_DC390T is not set
@@ -486,6 +492,7 @@ CONFIG_MD_RAID0=y
CONFIG_MD_RAID1=y
# CONFIG_MD_RAID10 is not set
CONFIG_MD_RAID5=y
+# CONFIG_MD_RAID5_RESHAPE is not set
# CONFIG_MD_RAID6 is not set
CONFIG_MD_MULTIPATH=y
# CONFIG_MD_FAULTY is not set
@@ -694,6 +701,7 @@ CONFIG_EFI_RTC=y
# Ftape, the floppy tape device driver
#
CONFIG_AGP=y
+# CONFIG_AGP_VIA is not set
CONFIG_AGP_SGI_TIOCA=y
# CONFIG_DRM is not set
CONFIG_RAW_DRIVER=m
@@ -735,10 +743,6 @@ CONFIG_MMTIMER=y
#
#
-# Multimedia Capabilities Port drivers
-#
-
-#
# Multimedia devices
#
# CONFIG_VIDEO_DEV is not set
@@ -747,6 +751,7 @@ CONFIG_MMTIMER=y
# Digital Video Broadcasting Devices
#
# CONFIG_DVB is not set
+# CONFIG_USB_DABUSB is not set
#
# Graphics support
@@ -757,6 +762,7 @@ CONFIG_MMTIMER=y
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
+# CONFIG_VGACON_SOFT_SCROLLBACK is not set
CONFIG_DUMMY_CONSOLE=y
#
@@ -769,6 +775,7 @@ CONFIG_DUMMY_CONSOLE=y
#
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB=m
# CONFIG_USB_DEBUG is not set
@@ -829,9 +836,7 @@ CONFIG_USB_HIDINPUT=y
# CONFIG_USB_ACECAD is not set
# CONFIG_USB_KBTAB is not set
# CONFIG_USB_POWERMATE is not set
-# CONFIG_USB_MTOUCH is not set
-# CONFIG_USB_ITMTOUCH is not set
-# CONFIG_USB_EGALAX is not set
+# CONFIG_USB_TOUCHSCREEN is not set
# CONFIG_USB_YEALINK is not set
# CONFIG_USB_XPAD is not set
# CONFIG_USB_ATI_REMOTE is not set
@@ -846,15 +851,6 @@ CONFIG_USB_HIDINPUT=y
# CONFIG_USB_MICROTEK is not set
#
-# USB Multimedia devices
-#
-# CONFIG_USB_DABUSB is not set
-
-#
-# Video4Linux support is needed for USB Multimedia device support
-#
-
-#
# USB Network Adapters
#
# CONFIG_USB_CATC is not set
@@ -905,15 +901,29 @@ CONFIG_USB_MON=y
# CONFIG_MMC is not set
#
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+
+#
# InfiniBand support
#
CONFIG_INFINIBAND=m
# CONFIG_INFINIBAND_USER_MAD is not set
CONFIG_INFINIBAND_USER_ACCESS=m
CONFIG_INFINIBAND_MTHCA=m
-# CONFIG_INFINIBAND_MTHCA_DEBUG is not set
+CONFIG_INFINIBAND_MTHCA_DEBUG=y
CONFIG_INFINIBAND_IPOIB=m
-# CONFIG_INFINIBAND_IPOIB_DEBUG is not set
+CONFIG_INFINIBAND_IPOIB_DEBUG=y
+# CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set
CONFIG_INFINIBAND_SRP=m
#
@@ -923,8 +933,13 @@ CONFIG_SGI_IOC4=y
CONFIG_SGI_IOC3=y
#
-# EDAC - error detection and reporting (RAS)
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
+#
+
+#
+# Real Time Clock
#
+# CONFIG_RTC_CLASS is not set
#
# File systems
@@ -997,7 +1012,6 @@ CONFIG_TMPFS=y
CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y
CONFIG_RAMFS=y
-CONFIG_RELAYFS_FS=m
# CONFIG_CONFIGFS_FS is not set
#
diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c
index 4e7a6a1ec6c7..da03c06744f1 100644
--- a/arch/ia64/ia32/binfmt_elf32.c
+++ b/arch/ia64/ia32/binfmt_elf32.c
@@ -35,6 +35,9 @@ extern void ia64_elf32_init (struct pt_regs *regs);
static void elf32_set_personality (void);
+static unsigned long __attribute ((unused))
+randomize_stack_top(unsigned long stack_top);
+
#define setup_arg_pages(bprm,tos,exec) ia32_setup_arg_pages(bprm,exec)
#define elf_map elf32_map
diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
index 95fe04400f6b..a32cd59b81ed 100644
--- a/arch/ia64/ia32/ia32_entry.S
+++ b/arch/ia64/ia32/ia32_entry.S
@@ -334,7 +334,7 @@ ia32_syscall_table:
data8 sys_setdomainname
data8 sys32_newuname
data8 sys32_modify_ldt
- data8 sys_ni_syscall /* adjtimex */
+ data8 compat_sys_adjtimex
data8 sys32_mprotect /* 125 */
data8 compat_sys_sigprocmask
data8 sys_ni_syscall /* create_module */
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 37c88eb55873..ca6666b51ccb 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -62,6 +62,11 @@ typedef enum {
ISOLATE_NONE
} isolate_status_t;
+typedef enum {
+ MCA_NOT_RECOVERED = 0,
+ MCA_RECOVERED = 1
+} recovery_status_t;
+
/*
* This pool keeps pointers to the section part of SAL error record
*/
@@ -71,6 +76,18 @@ static struct {
int max_idx; /* Maximum index of section pointer list pool */
} slidx_pool;
+static int
+fatal_mca(const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ vprintk(fmt, args);
+ va_end(args);
+
+ return MCA_NOT_RECOVERED;
+}
+
/**
* mca_page_isolate - isolate a poisoned page in order not to use it later
* @paddr: poisoned memory location
@@ -424,7 +441,7 @@ recover_from_read_error(slidx_table_t *slidx,
/* Is target address valid? */
if (!pbci->tv)
- return 0;
+ return fatal_mca(KERN_ALERT "MCA: target address not valid\n");
/*
* cpu read or memory-mapped io read
@@ -442,7 +459,7 @@ recover_from_read_error(slidx_table_t *slidx,
/* Is minstate valid? */
if (!peidx_bottom(peidx) || !(peidx_bottom(peidx)->valid.minstate))
- return 0;
+ return fatal_mca(KERN_ALERT "MCA: minstate not valid\n");
psr1 =(struct ia64_psr *)&(peidx_minstate_area(peidx)->pmsa_ipsr);
psr2 =(struct ia64_psr *)&(peidx_minstate_area(peidx)->pmsa_xpsr);
@@ -476,12 +493,13 @@ recover_from_read_error(slidx_table_t *slidx,
psr2->bn = 1;
psr2->i = 0;
- return 1;
+ return MCA_RECOVERED;
}
}
- return 0;
+ return fatal_mca(KERN_ALERT "MCA: kernel context not recovered,"
+ " iip 0x%lx\n", pmsa->pmsa_iip);
}
/**
@@ -567,13 +585,13 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
* The machine check is corrected.
*/
if (psp->cm == 1)
- return 1;
+ return MCA_RECOVERED;
/*
* The error was not contained. Software must be reset.
*/
if (psp->us || psp->ci == 0)
- return 0;
+ return fatal_mca(KERN_ALERT "MCA: error not contained\n");
/*
* The cache check and bus check bits have four possible states
@@ -584,20 +602,22 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
* 1 1 Memory error, attempt recovery
*/
if (psp->bc == 0 || pbci == NULL)
- return 0;
+ return fatal_mca(KERN_ALERT "MCA: No bus check\n");
/*
* Sorry, we cannot handle so many.
*/
if (peidx_bus_check_num(peidx) > 1)
- return 0;
+ return fatal_mca(KERN_ALERT "MCA: Too many bus checks\n");
/*
* Well, here is only one bus error.
*/
- if (pbci->ib || pbci->cc)
- return 0;
+ if (pbci->ib)
+ return fatal_mca(KERN_ALERT "MCA: Internal Bus error\n");
+ if (pbci->cc)
+ return fatal_mca(KERN_ALERT "MCA: Cache-cache error\n");
if (pbci->eb && pbci->bsi > 0)
- return 0;
+ return fatal_mca(KERN_ALERT "MCA: External bus check fatal status\n");
/*
* This is a local MCA and estimated as recoverble external bus error.
@@ -609,7 +629,7 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
/*
* On account of strange SAL error record, we cannot recover.
*/
- return 0;
+ return fatal_mca(KERN_ALERT "MCA: Strange SAL record\n");
}
/**
@@ -638,12 +658,10 @@ mca_try_to_recover(void *rec, struct ia64_sal_os_state *sos)
/* Now, OS can recover when there is one processor error section */
if (n_proc_err > 1)
- return 0;
- else if (n_proc_err == 0) {
+ return fatal_mca(KERN_ALERT "MCA: Too Many Errors\n");
+ else if (n_proc_err == 0)
/* Weird SAL record ... We need not to recover */
-
- return 1;
- }
+ return fatal_mca(KERN_ALERT "MCA: Weird SAL record\n");
/* Make index of processor error section */
mca_make_peidx((sal_log_processor_info_t*)
@@ -654,7 +672,7 @@ mca_try_to_recover(void *rec, struct ia64_sal_os_state *sos)
/* Check whether MCA is global or not */
if (is_mca_global(&peidx, &pbci, sos))
- return 0;
+ return fatal_mca(KERN_ALERT "MCA: global MCA\n");
/* Try to recover a processor error */
return recover_from_processor_error(platform_err, &slidx, &peidx,
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 7da4739f536e..4f3a16b37f8f 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -305,13 +305,10 @@ static struct kobj_type cache_ktype_percpu_entry = {
static void __cpuinit cpu_cache_sysfs_exit(unsigned int cpu)
{
- if (all_cpu_cache_info[cpu].cache_leaves) {
- kfree(all_cpu_cache_info[cpu].cache_leaves);
- all_cpu_cache_info[cpu].cache_leaves = NULL;
- }
+ kfree(all_cpu_cache_info[cpu].cache_leaves);
+ all_cpu_cache_info[cpu].cache_leaves = NULL;
all_cpu_cache_info[cpu].num_cache_leaves = 0;
memset(&all_cpu_cache_info[cpu].kobj, 0, sizeof(struct kobject));
-
return;
}
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 9ba32b2d96d0..ab829a22f8a4 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -31,7 +31,6 @@
#include <asm/irq.h>
#include <asm/hw_irq.h>
-
/*
* Low-level SAL-based PCI configuration access functions. Note that SAL
* calls are already serialized (via sal_lock), so we don't need another
@@ -707,7 +706,7 @@ int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size)
*
* Simply writes @size bytes of @val to @port.
*/
-int ia64_pci_legacy_write(struct pci_dev *bus, u16 port, u32 val, u8 size)
+int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size)
{
int ret = size;
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index d917afa30b27..739c948dc504 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -284,6 +284,8 @@ static int sn_hwperf_get_nearest_node_objdata(struct sn_hwperf_object_info *objb
/* find nearest node with cpus and nearest memory */
for (router=NULL, j=0; j < op->ports; j++) {
dest = sn_hwperf_findobj_id(objbuf, nobj, ptdata[j].conn_id);
+ if (dest && SN_HWPERF_IS_ROUTER(dest))
+ router = dest;
if (!dest || SN_HWPERF_FOREIGN(dest) ||
!SN_HWPERF_IS_NODE(dest) || SN_HWPERF_IS_IONODE(dest)) {
continue;
@@ -299,8 +301,6 @@ static int sn_hwperf_get_nearest_node_objdata(struct sn_hwperf_object_info *objb
*near_mem_node = c;
found_mem++;
}
- if (SN_HWPERF_IS_ROUTER(dest))
- router = dest;
}
if (router && (!found_cpu || !found_mem)) {
@@ -493,7 +493,7 @@ static int sn_topology_show(struct seq_file *s, void *d)
* numalink ports
*/
sz = obj->ports * sizeof(struct sn_hwperf_port_info);
- if ((ptdata = vmalloc(sz)) == NULL)
+ if ((ptdata = kmalloc(sz, GFP_KERNEL)) == NULL)
return -ENOMEM;
e = ia64_sn_hwperf_op(sn_hwperf_master_nasid,
SN_HWPERF_ENUM_PORTS, obj->id, sz,
@@ -541,7 +541,7 @@ static int sn_topology_show(struct seq_file *s, void *d)
(SN_HWPERF_IS_NL3ROUTER(obj) ||
SN_HWPERF_IS_NL3ROUTER(p)) ? "LLP3" : "LLP4");
}
- vfree(ptdata);
+ kfree(ptdata);
}
return 0;
diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c
index 94211429fd0c..2a89cfce4954 100644
--- a/arch/ia64/sn/kernel/xpc_partition.c
+++ b/arch/ia64/sn/kernel/xpc_partition.c
@@ -136,9 +136,7 @@ xpc_get_rsvd_page_pa(int nasid)
}
if (L1_CACHE_ALIGN(len) > buf_len) {
- if (buf_base != NULL) {
- kfree(buf_base);
- }
+ kfree(buf_base);
buf_len = L1_CACHE_ALIGN(len);
buf = (u64) xpc_kmalloc_cacheline_aligned(buf_len,
GFP_KERNEL, &buf_base);
@@ -159,9 +157,7 @@ xpc_get_rsvd_page_pa(int nasid)
}
}
- if (buf_base != NULL) {
- kfree(buf_base);
- }
+ kfree(buf_base);
if (status != SALRET_OK) {
rp_pa = 0;
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index fa073cc4b565..833295624e5d 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -682,9 +682,6 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit)
int ate_index, last_ate, ps;
struct tioce *ce_mmr;
- if (!TIOCE_M32_ADDR(base))
- return;
-
ce_mmr = (struct tioce *)ce_kern->ce_common->ce_pcibus.bs_base;
ps = ce_kern->ce_ate3240_pagesize;
ate_index = ATE_PAGE(base, ps);
@@ -693,6 +690,9 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit)
if (ate_index < 64)
ate_index = 64;
+ if (last_ate >= TIOCE_NUM_M3240_ATES)
+ last_ate = TIOCE_NUM_M3240_ATES - 1;
+
while (ate_index <= last_ate) {
u64 ate;